// For flags

CVE-2021-24440

Sign-up Sheets < 1.0.14 - Authenticated Stored Cross-Site Scripting (XSS)

Severity Score

4.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The Sign-up Sheets WordPress plugin before 1.0.14 did not sanitise or escape some of its fields when creating a new sheet, allowing high privilege users to add JavaScript in them, leading to a Stored Cross-Site Scripting issue. The payloads will be triggered when viewing the 'All Sheets' page in the admin dashboard

El plugin Sign-up Sheets WordPress versiones anteriores a 1.0.14, no saneaba o escapaba de algunos de sus campos cuando se crea una nueva hoja, permitiendo a usuarios con altos privilegios añadir JavaScript en ellos, conllevando un problema de tipo Cross-Site Scripting Almacenado. Las cargas útiles son desencadenadas cuando se visualiza la página "All Sheets" en el panel de administración

*Credits: Ajay Sandipan Thorbole
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-14 CVE Reserved
  • 2021-06-21 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Fetchdesigns
Search vendor "Fetchdesigns"
Sign-up Sheets
Search vendor "Fetchdesigns" for product "Sign-up Sheets"
< 1.0.14
Search vendor "Fetchdesigns" for product "Sign-up Sheets" and version " < 1.0.14"
wordpress
Affected